<template>
  <div class="icons">
    <swiper>
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data () {
    return {
      iconList: [{
        id: '0001',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0002',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0003',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0004',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0005',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0006',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0007',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0008',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }, {
        id: '0009',
        imgUrl: 'http://s.qunarzz.com/touch_home/images/entrances.png',
        desc: '景点门票'

      }]
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl';
  @import '~styles/mixin.styl';
.icons >>> .swiper-container
  height:0
  padding-bottom:50%
.icon
  position relative
  overflow:hidden
  width:25%
  height:0
  float:left
  padding-bottom:25%
  .icon-img
    position:absolute
    left:0
    right:0
    top:0
    bottom:.44rem
    box-sizing:border-box
    padding:.1rem
    .icon-img-content
      display:block
      margin:0 auto
      height:100%
  .icon-desc
    position:absolute
    left:0
    right:0
    bottom:0rem
    height:.44rem
    line-height:.44rem
    text-align:center
    color:$darkTextColor
    ellipsis()
</style>
